Specifications

Overhaul of PCBs
3-23
9 Turn the JV33 power supply off.
Check that the screen as shown on the right is
displayed on the JV33 control panel, then turn
the power off.
Adjust Main PCB Motor Current
If there is a hunting noise when the X-axis motor and Y-axis motor are driven after replacing the main PCB, adjust
the supply current to minimize the hunting noise.
Perform the supply current adjustment while the head is above the station without moving the carriage out.
1 Select “STOP ADJUST” from the oper-
ation menu in maintenance mode.
2 Execute “STOP ADJUST”.
Adjust electric current value of X-axis motor
and Y-axis motor so that Hunting noise of both
motor is minimized on the station in not car-
riage out.
3 Enter the test conditions and execute “X
MOVING ADJUST”.
Input the following conditions.
Speed (S) : 5 ~ 10 mm/s
Acceleration (A) : 0.2 G
Length (X) : approx. 50 ~ 100 mm
4 Adjust the value to minimize the hunt-
ing sound when the X-axis motor is
driven.
Check the noise of X-axis motor at the left back
side of JV33.
* Input values with targeting 130~160.
(Input range 0~255)
Up & Download END
Power Off
Mainte-
nance mode
Power ON.
<LOCAL.1> [#01] FUNCTION
#ADJUST <ent>
[FUNC]
#MOTOR CURRENT
STOP ADJUST <ent>
#ADJUST
MOTOR CURRENT <ent>
X=0 Y=0
(****) (****)
#MOTOR CURRENT
X MOVING ADJUST<ent>
#X MOVING ADJ.
S=*** A=*** X=****
X axis consecutive
driving
(X axis motor driving)
#X MOVING ADJ. *RUN*
XXX (****)
[]/[] : CV
[]/[] : MOVE
[ENTER] : Exec
[END] : Return
*Not cap OFF
[]/[] : Change adjust
value
[END] : Store adjust value
and end